LEADER 00000nam 2200217 a 4500 001 0628551 003 UkHlHU 007 t 008 003004 2 1972 000 eng 040 UkHlHU 050 4 JBGP P9 100 0 Psacharopoulos, George. 245 00 Further evidence on the elasticity of substitution among different types of educated labour. 260 London School of Economics, Higher Education Research Unit, |c1972. 300 0000p. 500 pp.786-792. 650 0 Education. 700 0 Hinchliffe, K.
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